IntSize RenderLayerScrollableArea::clampScrollOffset(const IntSize& scrollOffset) const
{
int maxX = scrollWidth() - box().pixelSnappedClientWidth();
int maxY = scrollHeight() - box().pixelSnappedClientHeight();
int x = std::max(std::min(scrollOffset.width(), maxX), 0);
int y = std::max(std::min(scrollOffset.height(), maxY), 0);
return IntSize(x, y);
}
int ScrollArea::scrollLeftMax() const {
return scrollWidth() - width();
}
int RenderLayerScrollableArea::pixelSnappedScrollWidth() const
{
return snapSizeToPixel(scrollWidth(), box().clientLeft() + box().x());
}
IntSize RenderLayerScrollableArea::contentsSize() const
{
return IntSize(scrollWidth(), scrollHeight());
}
